31180728

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{19391}}^1$

素因数の和:19467

約数の個数: 32

約数和(自身を含む): 79119360

約数和(自身を除く): 47938632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 19391, 38782, 58173, 77564, 116346, 155128, 232692, 465384, 1299197, 2598394, 3897591, 5196788, 7795182, 10393576, 15590364, 31180728]

約数ペア:

[(1, 31180728), (2, 15590364), (3, 10393576), (4, 7795182), (6, 5196788), (8, 3897591), (12, 2598394), (24, 1299197), (67, 465384), (134, 232692), (201, 155128), (268, 116346), (402, 77564), (536, 58173), (804, 38782), (1608, 19391)]